Sinosticta Wilson

Yu, Xin & Bu, Wenjun, 2009, Description of two new damselflies, Protosticta zhengi and Sinosticta sylvatica, from China (Odonata: Zygoptera: Platystictidae), Zootaxa 2245, pp. 54-58 : 54-55

Key to species of Sinosticta Wilson

1 Antehumeral stripe complete, as long as mesothoracic pleural suture ......................................................................... 2

- Antehumeral stripe incomplete, only half as long as mesothoracic pleural suture.......................................... S. ogatai

2 Postocular spots present, lateral synthorax mainly pale ............................................................................................... 3

- Postocular spots absent, lateral synthorax mainly black.......................................................................... S. hainanense

3 A pair of large oval, pale spots on frons ( Fig. 7 ); apex of cerci acute and lacking subdistal inner horns, cerci slightly longer than paraprocts ( Figs. 4–5 ). .............................................................................................................. S. sylvatica

- No pale spots on frons; apex of cerci not acute and having subdistal inner horns, cerci shorter than paraprocts.......... .......................................................................................................................................................................... S. debra

Figures

FIGURES 1 – 9. Sinosticta sylvatica sp. nov., male: (1) left forewing; (2) head and thorax; (3) pronotum, dorsal; (4) caudal appendages, dorsal; (5) caudal appendages, lateral; (6) caudal appendages, ventral; (7) face; (8) genital ligula, ventral; (9) genital ligula, lateral.